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132587380 = 2256629369
BaseRepresentation
bin1111110011100…
…01111101110100
3100020111010200201
413321301331310
5232420244010
621053450244
73166655062
oct771617564
9306433621
10132587380
1168929952
12384a0984
1321613393
1413875032
15b99023a
hex7e71f74

132587380 has 12 divisors (see below), whose sum is σ = 278433540. Its totient is φ = 53034944.

The previous prime is 132587363. The next prime is 132587381. The reversal of 132587380 is 83785231.

It can be written as a sum of positive squares in 2 ways, for example, as 79530724 + 53056656 = 8918^2 + 7284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132587381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3314665 + ... + 3314704.

It is an arithmetic number, because the mean of its divisors is an integer number (23202795).

Almost surely, 2132587380 is an apocalyptic number.

132587380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132587380 is an abundant number, since it is smaller than the sum of its proper divisors (145846160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132587380 is a wasteful number, since it uses less digits than its factorization.

132587380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629378 (or 6629376 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 132587380 is about 11514.6593523213. The cubic root of 132587380 is about 509.9184542182.

The spelling of 132587380 in words is "one hundred thirty-two million, five hundred eighty-seven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 6629369 13258738 26517476 33146845 66293690 132587380